UP Police Constable Exam Model Paper 3

Question : 87 of 150

Marks: +1, -0

Find the area of given figure? (use π = 22/7)

Solution:

Given:
A semi circle is given with radius 7 cm
Formula Used:
Area of a semi circle = (1/2)

\π \r^2

, r = radius
Calculation:Area of semi circle = (1/2)(22/7)(7 cm)

^2

⇒ (11/7)(49 cm

^2

)
⇒ 11 × 7 cm

^2

⇒ 77 cm

^2

∴ The Area of the given figure is 77 cm $^2$

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